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Finding the Fourth Proportional to 602,408.10, 903,618.63 and 181,687.62

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Solution

The fourth proportional to 602,408.10, 903,618.63 and 181,687.62 is: 272,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,408.10 : 903,618.63 = 181,687.62 : x
  2. Step 2: Convert to fraction form
    602,408.10/903,618.63 = 181,687.62/x
  3. Step 3: Cross multiply
    602,408.10x = 903,618.63 × 181,687.62
  4. Step 4: Simplify right side
    602,408.10x = 164,176,312,845.83
  5. Step 5: Solve for x
    x = 164,176,312,845.83/602,408.10
  6. Step 6: Final answer
    x = 272,533.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.